Arcane Will

Regenerate 5 Mana per second
30% increased maximum Mana
+10 to Intelligence [1]

Arcane Will is a notable passive skill that grants increased maximum mana, increased mana recovery from flasks and additional flat mana regeneration. It also grants a percentage of maximum mana as extra maximum energy shield.

Mechanics

$\color [rgb]{0.6392156862745098,0.5529411764705883,0.42745098039215684}GainedEnergyShield=BaseMaximumMana\times 0.04\times (1+\sum _{i=1}^{a}{\text{increased EnergyShield}}_{i}+\sum _{j=1}^{b}{\text{increased Mana}}_{j})$

Example:

Before taking Arcane Will, a character has the following stats:

$\color [rgb]{0.6392156862745098,0.5529411764705883,0.42745098039215684}BaseMaximumMana=1000$ $\color [rgb]{0.6392156862745098,0.5529411764705883,0.42745098039215684}IncreasedMaximumMana=90\%$ $\color [rgb]{0.6392156862745098,0.5529411764705883,0.42745098039215684}TotalMana=1000\times (1+0.9)=1900$ $\color [rgb]{0.6392156862745098,0.5529411764705883,0.42745098039215684}BaseMaximumEnergyShield=1200$ $\color [rgb]{0.6392156862745098,0.5529411764705883,0.42745098039215684}IncreasedMaximumEnergyShield=350\%$ $\color [rgb]{0.6392156862745098,0.5529411764705883,0.42745098039215684}TotalEnergyShield=1200\times (1+3.5)=5400$

After taking Arcane Will, the modified stats are:

$\color [rgb]{0.6392156862745098,0.5529411764705883,0.42745098039215684}NewIncreasedMaximumMana=110\%$ $\color [rgb]{0.6392156862745098,0.5529411764705883,0.42745098039215684}NewTotalMana=1000\times (1+1.1)=2100$ $\color [rgb]{0.6392156862745098,0.5529411764705883,0.42745098039215684}GainedEnergyShield=1000\times 0.04\times (1+1.1+3.5)=224$ $\color [rgb]{0.6392156862745098,0.5529411764705883,0.42745098039215684}NewTotalEnergyShield=5624$